25 lines
577 B
C
25 lines
577 B
C
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#include "uart.h"
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void init_uart(uint16_t baud) {
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// Configure UART pin directions
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PORTB.DIR &= ~PIN1_bm;
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PORTB.DIR |= PIN0_bm;
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// Set the baudrate
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USART3.BAUD = (uint16_t)USART3_BAUD_RATE(baud);
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// Enable UART TX & RX
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USART3.CTRLB |= USART_TXEN_bm;
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}
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void USART3_sendChar(char c) {
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// Hold the code while the UART is not ready to send
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while (!(USART3.STATUS & USART_DREIF_bm)) { ; }
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// UART is ready, send the character.
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USART3.TXDATAL = c;
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}
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int USART3_printChar(char c, FILE *stream) {
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USART3_sendChar(c);
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return 0;
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}
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